208.121.0.0/16 covers 208.121.0.0 to 208.121.255.255, 65,536 IPv4 addresses. It is announced by AS39961 (San Francisco Department of Telecommunications and Information Services). Every sampled address geolocates to United States, with 97% in San Francisco. It is registered to a government network. None of the sampled addresses are flagged as VPN, proxy or Tor.